What’s the joke here?
Is there a pun in the name Arlo Hoyt?
This is common financial advice (e.g. in the book The Psychology of Money, by Morgan Housel, which I just finished), or, famously, in Dickens novel, David Copperfield.
Annual income twenty pounds, annual expenditure nineteen nineteen and six, result happiness. Annual income twenty pounds, annual expenditure twenty pounds nought and six, result misery.
Or, could the joke be that Arlo Hoyt has claimed that he coined this common maxim himself, and has erected a status of himself in his honor?
For less helpful advice, certainly not what Dickens’ Mr. Micawber would have advised, we have this from Randy Glasbergen:
Comics I Don't Understand 